Del Rey Books (c) 1978 — Publication date November 1981 — Stranded on a jungle planet, Luke Skywalker and Princess Leia found themselves desperately racing imperial stormtroopers to claim a gem that had mysterious power over the Force. — Luke Skywalker expected trouble when he volunteered to follow Princess Leia on her mission to Circarpous to enli... more »st their Rebel underground in the battle against the Empire. But the farm boy from Tatooine hadn't counted on an unscheduled landing in the swamplands on Mimban... hadn't counted on any of the things they would find on the strange planet. Hidden on this planet was the Kaiburr crystal, a mysterious gem that would give the one who possessed it such powers over the Force that he could be all but invincible. In the wrong hands, the crystal could be deadly. So Luck had to find this treasure and find it fast. Accompanied by Artoo Deetoo and See Threepio - his two faithful 'droids - Luck and the Princess set out for the Temple of Pomojema... and a confrontation deep beneath the surface of an alien world with the most fearsome villains in the galaxy!« less